The height of instrument is equal to

The angle of intersection of a curve is the angle between

The plane table surveying is

The vertical angle between longitudinal axis of a freely suspended magnetic needle and a horizontal line at its pivot, i…

An arbitrary surface with reference to which the elevation of points is measured and compared, is called

When the length of a chord is less than the peg interval, it is known as

The V-shaped contour represents

Sensitiveness of bubble tube can be increased by

A simple circular curve is designated by the